Birth Control Sponge: How to Use, Effectiveness | 合法醫療器材資訊網
2020年7月24日—Of100womenwhohaveneverhadababyandwhousethespongeinatypicalyear,about14willgetpregnant.Thismeansitis86%effective.
The birth control[1] sponge is a small doughnut-shaped device with an indentation in the middle. It’s made of polyurethane foam that is coated with spermicide[2], a chemical that kills sperm. Women insert it into their vagina before sex to keep a man’s sperm from getting into their uterus and possibly making them pregnant[3].
You may hear it called the contraceptive sponge or the Today sponge, after the only FDA-approved brand.
You can insert the sponge up to 24 hours before you have sex[4]. To do so:
Take it out of the package. Moisten it with about 2 tablespoons of water and squeeze gently to activate the spermicide. Hold the sponge with the strap down and the indentation facing up. Get into a comfortable position, such as squatting. Fold the sides of the sponge up. ...Birth Control Sponge: How to Use, Effectiveness | 合法醫療器材資訊網
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Contraceptive sponge | 合法醫療器材資訊網
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Worldwide method effectiveness of the Today vaginal ... | 合法醫療器材資訊網
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